Interstellar comet 3I/ATLAS is blasting out a bunch of methane. Here's why that's weird

NASA’s James Webb Space Telescope detects methane hidden deep inside interstellar comet 3I/ATLAS with unusual…

The view coming back from NASA’s James Webb Space Telescope has a way of turning familiar categories of comet science slightly awkward. 3I/ATLAS, an interstellar object only briefly passing through the solar system, has…